1.

For the reaction, CaCO_(3)(s) iff CaO(s)+CO_(2)(g)partial pressure of CO_(2) at 1000 K is 0.003 atm. DeltaG^(@)=27.2 kcal. Calculate the value of DelaG

Answer»

12.6 kcal
15.6 kcal
13.4 kcal
14.2 kcal

Solution :`CaCO_(3)(s)iffCaO(s)+CO_(2)(G)`
`K_(p)=P_(CO_(2))=0.003 atm`
`DeltaG=DeltaG^(@)+2.303 RT LOG K_(p)`
`=27.2+2.303xx2xx1000xxlog 0.003`
`=15.6 kcal (R=2 cal mol^(-1)K^(-1))`.


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